Each question must have an IOC value of 0.5 or more in order to be considered accurate and able to measure according to the objective for which it is intended to be measured.
Each question must have an IOC value of 0.5 or higher in order to be considered accurate and can be measured according to the purpose of the measurement.
Each question requires an IOC value starting from 0. Therefore, the above problems are considered accurate and can be measured according to the purpose to be measured.